org.apache.hadoop.fs.s3a

Class S3AInstrumentation.OutputStreamStatistics

java.lang.Object

org.apache.hadoop.fs.s3a.S3AInstrumentation.OutputStreamStatistics

All Implemented Interfaces:

Closeable, AutoCloseable

Enclosing class:

S3AInstrumentation

@InterfaceAudience.Private
 @InterfaceStability.Unstable
public final class S3AInstrumentation.OutputStreamStatistics
extends Object
implements Closeable

Statistics updated by an output stream during its actual operation. Some of these stats may be relayed. However, as block upload is spans multiple

Constructor Summary

Constructors

Constructor and Description
OutputStreamStatistics(org.apache.hadoop.fs.FileSystem.Statistics statistics)

Method Summary

Modifier and Type	Method and Description
int	blocksActivelyAllocated() Get counters of blocks actively allocated; my be inaccurate if the numbers change during the (non-synchronized) calculation.
int	blocksAllocated()
int	blocksReleased()
void	close() Output stream has closed.
void	commitUploaded(long size) Data has been uploaded to be committed in a subsequent operation; to be called at the end of the write.
long	getBytesPendingUpload() Get the number of bytes pending upload.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

OutputStreamStatistics

public OutputStreamStatistics(org.apache.hadoop.fs.FileSystem.Statistics statistics)

Method Detail

getBytesPendingUpload

public long getBytesPendingUpload()

Get the number of bytes pending upload.

Returns:

the number of bytes in the pending upload state.

commitUploaded

public void commitUploaded(long size)

Data has been uploaded to be committed in a subsequent operation; to be called at the end of the write.

Parameters:

size - size in bytes

close

public void close()

Output stream has closed. Trigger merge in of all statistics not updated during operation.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

blocksAllocated

public int blocksAllocated()

blocksReleased

public int blocksReleased()

blocksActivelyAllocated

public int blocksActivelyAllocated()

Get counters of blocks actively allocated; my be inaccurate if the numbers change during the (non-synchronized) calculation.

Returns:

the number of actively allocated blocks.

toString

public String toString()

Overrides:

toString in class Object